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26 lines
890 B
26 lines
890 B
5 years ago
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## Declarations
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### Instructions
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Create the following constant variables:
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- `escapeStr`, that contains the following specials characters: \`, `\`, `/`, `"`, `'`
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- `arr` that is an array containing the values 4 and '2'
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- `obj` that is an object containing a property for each primitives:
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- `str` for `String`
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- `num` for `Number`
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- `bool` for `Boolean`
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- `undef` for `undefined`
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- `nested` that contains
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- arr: an array of the 3 values: 4, undefined, '2'
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- obj: an object with 3 property (str, num & bool)
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`nested` and `obj` must be frozen to prevent changes from them.
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### Notions
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- Primitive and Operators
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- Variables
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- [nan-academy.github.io/js-training/examples/data-structures.js](https://nan-academy.github.io/js-training/examples/data-structures.js)
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- [devdocs.io/javascript/global_objects/object/freeze](https://devdocs.io/javascript/global_objects/object/freeze)
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